20203900

素因数分解:

$2^2\times 5^2\times {\mathrm{281}}^1\times {\mathrm{719}}^1$

素因数の和:1014

約数の個数: 36

約数和(自身を含む): 44059680

約数和(自身を除く): 23855780

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 281, 562, 719, 1124, 1405, 1438, 2810, 2876, 3595, 5620, 7025, 7190, 14050, 14380, 17975, 28100, 35950, 71900, 202039, 404078, 808156, 1010195, 2020390, 4040780, 5050975, 10101950, 20203900]

約数ペア:

[(1, 20203900), (2, 10101950), (4, 5050975), (5, 4040780), (10, 2020390), (20, 1010195), (25, 808156), (50, 404078), (100, 202039), (281, 71900), (562, 35950), (719, 28100), (1124, 17975), (1405, 14380), (1438, 14050), (2810, 7190), (2876, 7025), (3595, 5620)]